TY  - BOOK
AU  - Chhatwal, G. R.
TI  - Encylopaedic dictionary of environment
SN  - 8170411009
U1  - 628.503 
PY  - 1991///
CY  - New Delhi
PB  - Anmol Publications
KW  - Environment
N1  - Includes references & index
ER  -